StationArrDepDist.PF
1Chennai EgmoreFirst19.5009
2Tambaram20.1920.20258
3Chengalpattu Jn20.4820.50566
4Melmaruvathur21.1421.15923
5Tindivanam (PQ)21.3921.401221
6Villupuram Jn22.2522.301595
7Vriddhachalam Jn23.1523.172133
8Tiruchchirappalli Jn01.1501.203363
9Dindigul Jn02.3202.354313
10Sholavandan03.0403.054751
11Madurai Jn03.3003.354971
12Virudunagar Jn04.1304.155402
13Satur04.3704.385672
14Kovilpatti04.5905.005881
15Tirunelveli06.45Last6531
Coach Composition (Historic data)
UR
UR
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
B6
B5
B4
B3
B2
B1
A1
UR
UR
GC

1 2 3     8
4 5 6 7
9 10 11   16
12 13 14   15
17 18 19   24
20 21 22   23
25 26 27   32
28 29 30   31
33 34 35   40
36 37 38   39
41 42 43   48
44 45 46   47
49 50 51   56
52 53 54   55
57 58 59   64
60 61 62   63
65 66 67   72
68 69 70   71
SL
Sleeper
शयनयान
UB
Upper Berth
ऊपरी बर्थ
MB
Middle Berth
मध्य बर्थ
LB
Lower Berth
निचली बर्थ
SL
Side Lower
साइड लोअर
SU
Side Upper
साइड ऊपरी
12631 NELLAI EXPRESS, Chennai Egmore to Tirunelveli runs Daily, has classes 2A 3A SL GN. Pantry is not available. Fare does not include food cost. Total travel time of the train is 10 hr, 55 min. Average speed is 60 km/hr. Advance reservation period (ARP) is 120 days. The train is owned by Southern Railway (SR). Its rake is shared with 12661-12662. Superfast fare is applicable. It is a Super Fast train. It is a Broad Gauge train.

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